Home / 22,312.41-33,457.83-12,954.78

Finding the Fourth Proportional to 22,312.41, 33,457.83 and 12,954.78

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Solution

The fourth proportional to 22,312.41, 33,457.83 and 12,954.78 is: 19,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.41 : 33,457.83 = 12,954.78 : x
  2. Step 2: Convert to fraction form
    22,312.41/33,457.83 = 12,954.78/x
  3. Step 3: Cross multiply
    22,312.41x = 33,457.83 × 12,954.78
  4. Step 4: Simplify right side
    22,312.41x = 433,438,659.64
  5. Step 5: Solve for x
    x = 433,438,659.64/22,312.41
  6. Step 6: Final answer
    x = 19,425.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.